Finding the Fourth Proportional to 71,673.66, 107,375.63 and 42,003.36

Step by Step Solution

1. Step 1: Write the proportion equation
   71,673.66 : 107,375.63 = 42,003.36 : x
2. Step 2: Convert to fraction form
   71,673.66/107,375.63 = 42,003.36/x
3. Step 3: Cross multiply
   71,673.66x = 107,375.63 × 42,003.36
4. Step 4: Simplify right side
   71,673.66x = 4,510,137,032.10
5. Step 5: Solve for x
   x = 4,510,137,032.10/71,673.66
6. Step 6: Final answer
   x = 62,926.00